DotComment.js

class DotComment {
  constructor() {
    this.comment = '';

    const lowerCaseAlphabets = 'abcdefghiklmnopqrstvxyzåäö'.split('');
    const specialCharacters = '_'.split('');
    const upperCaseAlphabets = lowerCaseAlphabets.map(char =>
      char.toUpperCase()
    );
    const characters = [
      ...lowerCaseAlphabets,
      ...upperCaseAlphabets,
      ...specialCharacters,
    ];

    characters.forEach(letter => {
      Object.defineProperty(this, letter, {
        get() {
          const decodedLetter = letter === '_' ? ' ' : letter;
          this.comment += decodedLetter;
          return this;
        },
      });
    });
  }

  qst() {
    this.comment += '?';
    return this;
  }

  exl() {
    this.comment += '!';
    return this;
  }

  log() {
    console.log(this.comment);
  }
}

new DotComment().T.h.i.s._.i.s._.a._.l.i.t.t.l.e._.s.i.l.l.y.exl().log();